Sri Lanka , for example, made several tours to India, England etc before they got a test status.
Below is the schedule of their 1975 tour to India.
Sri Lanka in India, 1975-76
- Central Zone v Sri Lanka at Kanpur, 31 Oct - 2 Nov 1975
- North Zone v Sri Lanka at New Delhi, 4-6 Nov 1975
- Unofficial Test: India v Sri Lanka at Hyderabad, 8-11 Nov 1975
- West Zone v Sri Lanka at Bombay, 14-16 Nov 1975
- Unofficial Test: India v Sri Lanka at Ahmedabad, 18-21 Nov 1975
- East Zone v Sri Lanka at Calcutta, 23-25 Nov 1975
- Unofficial Test: India v Sri Lanka at Nagpur, 28 Nov - 1 Dec 1975
- Combined Universities v Sri Lanka at Bangalore, 5-7 Dec 1975
- South Zone v Sri Lanka at Madras, 9-10 Dec 1975
I remember the three unofficial tests they played against India. They lost 2-0 but were far from disgraced. They drew against four of the five zonal side (each zonal side is made up of players from 4-5 first class sides) and lost only to SouthZone in a low scoring match.
The side had Dilip Mendis and Roy Dias who were superb batsmen and in DS D'Silva and Opatha they had world class bowlers. It was another seven years before they played an official test match.